package com.zzyl.service.impl;

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.date.LocalDateTimeUtil;
import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.zzyl.base.PageBean;
import com.zzyl.dto.ReservationDto;
import com.zzyl.dto.ReservationQueryDto;
import com.zzyl.entity.Reservation;
import com.zzyl.mapper.ReservationMapper;
import com.zzyl.service.ReservationService;
import com.zzyl.utils.ThreadLocalUtil;
import com.zzyl.vo.ReservationVo;
import com.zzyl.vo.TimeCountVo;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.List;

@Slf4j
@Service
@Transactional
public class ReservationServiceImpl implements ReservationService {

    @Autowired
    private ReservationMapper reservationMapper;

    /**
     * 分页查找预约
     */
    @Override
    public PageBean<ReservationVo> findByPage(ReservationQueryDto dto) {
        PageHelper.startPage(dto.getPageNum(), dto.getPageSize());
        /*Long userId = ThreadLocalUtil.get();
        dto.setUserId(userId);*/
        Page<Reservation> page = reservationMapper.findByPage(dto);
        return PageBean.of(page, ReservationVo.class);
    }

    @Override
    public Integer getCancelledCount() {
        LocalDateTime min = LocalDateTime.now().with(LocalTime.MIN);
        LocalDateTime max = LocalDateTime.now().with(LocalTime.MAX);

        Long id = ThreadLocalUtil.get();

        log.info("id:{}", id);
        return reservationMapper.getCancelledCount(min, max, id);
    }

    @Override
    public List<TimeCountVo> getCountByTime(Long time) {


        LocalDateTime startTime = LocalDateTimeUtil.of(time).with(LocalTime.MIN);
        LocalDateTime endTime = LocalDateTimeUtil.of(time).with(LocalTime.MAX);

        return reservationMapper.countByTimeRange(startTime, endTime);
    }

    @Override
    public void add(ReservationDto dto) {
        Reservation reservation = BeanUtil.toBean(dto, Reservation.class);
        reservation.setStatus(0);
        reservationMapper.insert(reservation);
    }

    @Override
    public void cancelReservation(Long id) {

        Reservation reservation = Reservation.builder().id(id).status(2).build();
        reservationMapper.update(reservation);
    }
}



